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-   -   kv fuel pump wiring? (http://www.classic-audi.co.uk/forum/showthread.php?t=7722)

stoop44rio 21-11-09 04:48 PM

kv fuel pump wiring?
 
fitting a new fuel pump and theres two wires; brown and green/yellow- which goes where on the new pump? the two connections are different sizes on the new pump and both are marked with +/-:eek: , also the old wiring needs trimmed and new connecters fixed. so does the brown go to the bigger terminal or vice versa:confused:

Micky 21-11-09 04:54 PM

just get a test light and see whitch one goes live with the ign on

stoop44rio 21-11-09 05:09 PM

no battery at the moment!

Micky 21-11-09 05:14 PM

did you notice whitch way round when you took it off ?

stoop44rio 21-11-09 05:21 PM

old pump has different connections and they weren't marked+/-. new pump comes with new terminals so the old wiring has to be cut back and new ends crimped on. aren't brown wires usually earth on cars??

Micky 21-11-09 05:24 PM

carn't you get a batt and just turn on the ign you dont have to start it

stoop44rio 21-11-09 05:30 PM

prob will have to do that, just thought someone might know abit more than myself!! which wouldnt be that hard

msh 21-11-09 05:35 PM

Wire colors are of existing wiring harness? If so then brown is ground, as always and that other is +12v. If u will connect them wrong, then pump will only pump on wrong way and engine will not work :D

4v6 21-11-09 05:46 PM

As MSH suggests, brown is ground ( - ) .

stoop44rio 22-11-09 05:52 PM

:confused:brown being earth would go to the smaller terminal and positive to the sligthly larger terminal?


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